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math.ST2026
Winners with Confidence: Discrete Argmin Inference with an Application to Model Selection
Tianyu Zhang, Hao Lee, Jing Lei
We study the problem of finding the index of the minimum value of a vector from noisy observations. This problem is relevant in population/policy comparison, discrete maximum likel…
math.ST2025
Online Estimation with Rolling Validation: Adaptive Nonparametric Estimation with Streaming Data
Tianyu Zhang, Jing Lei
Online nonparametric estimators are gaining popularity due to their efficient computation and competitive generalization abilities. An important example includes variants of stocha…